Drill bit for calloused skin



FIG. 1 is an upper perspective view of the drill bit for calloused skin showing my design.

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a front elevation view thereof, a back elevation, side elevation, and opposite side elevation being identical.

The drill bit for calloused skin is a rotary nail drill bit for use in manicure and pedicure treatments to remove callused skin. 

CLAIM The ornamental design for a drill bit for calloused skin, as shown and described. 